
Operation Manual / Power2 845-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.6 Removing wall insert
© Copyright 2018 ABB. All rights reserved.
HZTL4068_EN
Revision A
March 2018
4.6
Removing wall insert
CAUTION
Clearance between compressor wheel and wall insert
Serious damage to machinery or property can result from rubbing or jam-
ming of the compressor wheel at the wall insert.
u
Check that the compressor wheel does not rub against the wall insert
during disassembly/assembly by rotating the rotor.
Fig. 7: Removing wall insert 1
1. Screw nut (72004) onto end of bolt thread as protection.
2. Use three press-off screws (90920) to press off the wall insert (77000) until the lifting
device can be fitted.
3. Remove the press-off screws (90920).
4. Remove two studs (72002) in the upper area.
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